Finding the Fourth Proportional to 370,522.20, 555,929.10 and 145,844.40
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Solution
The fourth proportional to 370,522.20, 555,929.10 and 145,844.40 is: 218,823.99
Step by Step Solution
- Step 1: Write the proportion equation
370,522.20 : 555,929.10 = 145,844.40 : x - Step 2: Convert to fraction form
370,522.20/555,929.10 = 145,844.40/x - Step 3: Cross multiply
370,522.20x = 555,929.10 × 145,844.40 - Step 4: Simplify right side
370,522.20x = 81,079,146,032.04 - Step 5: Solve for x
x = 81,079,146,032.04/370,522.20 - Step 6: Final answer
x = 218,823.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.